Juvenile herring with classic signs of VHS including focal hemorrhaging around the eyes, mouth, and fin bases.
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Juvenile herring with classic signs of VHS including focal hemorrhaging around the eyes, mouth, and fin bases.
Researcher, works at the microscope, Marrowstone Marine Field Station, Nordland, WA.
Researcher, works at the microscope, Marrowstone Marine Field Station, Nordland, WA.
![Ash collection from east Crater Glacier on Mount St. Helens with a ...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img969.jpg?itok=KUosY6kM)
Ash collection from east Crater Glacier on Mount St. Helens with a dredge attached to a helicopter cable. Ash is analyzed to help scientists understand eruption characteristics.
Ash collection from east Crater Glacier on Mount St. Helens with a dredge attached to a helicopter cable. Ash is analyzed to help scientists understand eruption characteristics.
![Landslide from May 18, 1980, eruption of Mount St. Helens blocks ou...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img5727.jpg?itok=uxE4eJ11)
The May 18, 1980 eruption of Mount St. Helens began with an enormous landslide that slammed into Spirit Lake, blocking its natural outlet and raising the lake level by 197 feet.
The May 18, 1980 eruption of Mount St. Helens began with an enormous landslide that slammed into Spirit Lake, blocking its natural outlet and raising the lake level by 197 feet.
Juvenile white sturgeon held by human hand. Columbia River, bottom trawl for yoy indexing.
Juvenile white sturgeon held by human hand. Columbia River, bottom trawl for yoy indexing.
Weighing a juvenile white sturgeon. Columbia River, bottom trawl for yoy indexing.
Weighing a juvenile white sturgeon. Columbia River, bottom trawl for yoy indexing.
![Implanting transmitter, white sturgeon](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/CRRLSurgimplantsturgeon1.jpg?itok=yoxZUUrk)
Researchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
Researchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
![Implanting transmitter, white sturgeon](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/CRRLSurgimplantsturgeon2.jpg?itok=UihDAKEy)
Researchers preparing to surgically implant transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
Researchers preparing to surgically implant transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
![Implanting transmitter, white sturgeon](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/CRRLSurgimplantsturgeon3.jpg?itok=fLFOxsbH)
Researchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
Researchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
![Aerial view, Mount St. Helens' crater and dome, as seen from the no...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img886.jpg?itok=r49WIXVV)
Aerial view, Mount St. Helens' crater and dome, as seen from the northeast. Note dusting of ash on Mount St. Helens' flank, left near rim.
Aerial view, Mount St. Helens' crater and dome, as seen from the northeast. Note dusting of ash on Mount St. Helens' flank, left near rim.
![Aerial view, Mount St. Helens' crater and dome, as seen from the no...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img887.jpg?itok=MthcIkU4)
Aerial view, Mount St. Helens' crater and dome, as seen from the northeast.
Aerial view, Mount St. Helens' crater and dome, as seen from the northeast.
![Whaleback structure (center) of dome withn Mount St. Helens' crater...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img889.jpg?itok=a3TLdItO)
Whaleback structure (center) of dome withn Mount St. Helens' crater. Dome is crumbling to right and glacier is uplifted to the left, view from the north. January 30, 2005.
Whaleback structure (center) of dome withn Mount St. Helens' crater. Dome is crumbling to right and glacier is uplifted to the left, view from the north. January 30, 2005.
Aerial view, Mount St. Helens' crater and dome, as seen from the northwest.
Aerial view, Mount St. Helens' crater and dome, as seen from the northwest.
![Lava domes within Mount St. Helens' crater, as seen from the northw...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img891.jpg?itok=4K8cnskt)
Lava domes within Mount St. Helens' crater, as seen from the northwest. The 1980-86 dome is in the crater on the left and the new 2004-05 dome is on the right.
Lava domes within Mount St. Helens' crater, as seen from the northwest. The 1980-86 dome is in the crater on the left and the new 2004-05 dome is on the right.
![Mount St. Helens' crater and dome, as seen from the northeast. ...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img892.jpg?itok=4_CTIa3G)
Mount St. Helens' crater and dome, as seen from the northeast.
Mount St. Helens' crater and dome, as seen from the northeast.
![Whaleback structure (center) of dome withn Mount St. Helens' crater...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img893.jpg?itok=Njl6IYfy)
Whaleback structure (center) of dome withn Mount St. Helens' crater as seen from the northwest. January 24, 2005.
Whaleback structure (center) of dome withn Mount St. Helens' crater as seen from the northwest. January 24, 2005.
![Crumbled sides of Mount St. Helens' dome, as seen from the northwes...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img894.jpg?itok=boDmV_uO)
Crumbled sides of Mount St. Helens' dome, as seen from the northwest. January 24, 2005.
Crumbled sides of Mount St. Helens' dome, as seen from the northwest. January 24, 2005.
![Glacier deformation, east side of Mount St. Helens' dome, as seen f...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img895.jpg?itok=aktNsf1S)
Glacier deformation, east side of Mount St. Helens' dome, as seen from the northeast. Large crevasses within glacier covered with grey ash.
Glacier deformation, east side of Mount St. Helens' dome, as seen from the northeast. Large crevasses within glacier covered with grey ash.
![Aerial view, Mount St. Helens' crater and dome, as seen from the no...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img896.jpg?itok=caSsYV1D)
Aerial view, Mount St. Helens' crater and dome, as seen from the northeast. The new dome is just visible in the steam in the back of the crater.
Aerial view, Mount St. Helens' crater and dome, as seen from the northeast. The new dome is just visible in the steam in the back of the crater.
![Aerial view, Mount St. Helens' crater and dome, as seen from the no...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img897.jpg?itok=pVgyH1rp)
Aerial view, Mount St. Helens' crater and dome, as seen from the northeast.
Aerial view, Mount St. Helens' crater and dome, as seen from the northeast.
![Vertical view, Mount St. Helens' crater and dome. North is to the b...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/vhp_img898.jpg?itok=hT5FKVmg)
Vertical view, Mount St. Helens' crater and dome. North is to the bottom and south to the top.
Vertical view, Mount St. Helens' crater and dome. North is to the bottom and south to the top.